Trains from Heathrow Airport to Southampton from $31.54*

Arriving in Southampton

Trains running from Heathrow Airport to Southampton will typically depart from Heathrow Term2,3 and arrive at Southampton Airport Parkway. The journey takes around 1h 39m.

Book cheap train tickets from Heathrow Airport to Southampton

Let's save unnecessary costs when traveling from Heathrow Airport to Southampton by taking trains. The best way to find cheap train tickets is through Trip.com. We offer various discounted tips that can guide you towards a more affordable journey, such as using Railcards, Season Tickets, or Split Tickets. Explore the options below for more choices.

Get 1/3 off with a Railcard

Railcards offer discounts of up to 1/3 on most tickets. There are various types of Railcards available to cater to different groups of travelers, such as the 16–25 Railcard, the Family & Friends Railcard, and the Senior Railcard. For more information on Railcards and how they can help you save, visit Railcards here.

Split Tickets to save an average extra 30%

Splitting your tickets involves buying separate tickets for different parts of your journey instead of one ticket for the entire trip. This method can often be cheaper and is perfectly legal. For instance, if you're traveling from A to B, you might find that purchasing a ticket from A to C, then C to B costs less than a direct ticket.

Traveling during off-peak hours

The important thing to note about Off-Peak train tickets is the designated off-peak time. In large cities and towns, the off-peak time for train travel from Heathrow Airport to Southampton usually starts at 9:30 am from Monday to Friday, while in other areas it starts at 9:00 am. By planning your journey during these off-peak hours, you can take advantage of cheaper and more comfortable train fares, ensuring a smoother travel experience and avoiding the crowded peak hours.